An Easy-to-Use, Fast and Affordable All-in-one Solution The HI84533 is an easy to use, fast and affordable mini automatic titrator designed for the rapid and accurate determination of formol number in wines or fruit juices. This new generation of mini automatic titrator improves upon the titrant delivery system and measuring ranges for increased accuracy compared to previous models. This meter reflects Hanna’s years of experience as a manufacturer of analytical instruments. The HI84533 incorporates a precise piston dosing system which allows for a highly accurate determination of the amount of titrant used. It is also capable of dynamic dosing, making testing both faster and more accurate. A pump calibration performed with the supplied Hanna standard help assure the accuracy of the measurement. This mini titrator includes a user adjustable programmed analysis method designed for formol number analysis. It employs a powerful and effective algorithm to analyze the pH response to determine the exact pH endpoint, then uses this algorithm to perform the necessary calculations. This mini titrator is also designed to be used as a benchtop pH/mV meter. The CAL Check function not only ensures an accurate pH reading when the HI84533 is used as a pH meter but also an accurate titration since the endpoint is determined by a set pH value. Why Formol Number is an Important Determination The content of amino-acids and other nitrogen compounds in fruit juices and wines is expressed as total assimilable nitrogen and is determined by the formol method using an acid-base titration. The formol number (also known as formol index) is a parameter used for evaluation of the quality of fruit juices and wines. In wines, the concentration of alpha amino acid in grapes change as a function of maturity and crop load (yield to vine size ratio). The concentration increases with fruit The HI84533 has two operating options: 1. pH measurement using the meter in pH mode 2. Formol number determination by titration of wines and fruit juice samples with sodium hydroxide solution to an 8.2 pH endpoint HI84533 Formol Number Mini Titrator and pH Meter for Wines and Fruit Juices • Piston driven pump with dynamic dosing · For highly accurate, repeatable results • CAL Check™ · Alerts users to potential problems during calibration such as contaminated buffers or dirty/broken pH electrode • Log-on-demand · Log data up to 400 samples (200 for titration; 200 for pH/mV) • Graphic mode/exportable data · Displays in-depth data on titration, which can then be stored and exported to either a USB drive or PC using the USB connection • Automatic stirrer speed control · Maintains stirrer speed at 600 RPM regardless of viscosity of solution • GLP features · Date, time, offset, slope and buffers used • Easy-to-use interface · Intuitive design with large keys and easy to navigate screens • Help features · Dedicated HELP key for content sensitive help • pH/mV meter · Doubles as a benchtop pH meter 4 Titration 4.66 | www.hannainst.com
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